Finding the Fourth Proportional to 10,320.76, 14,242.90 and 5,605.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,320.76 : 14,242.90 = 5,605.04 : x
2. Step 2: Convert to fraction form
   10,320.76/14,242.90 = 5,605.04/x
3. Step 3: Cross multiply
   10,320.76x = 14,242.90 × 5,605.04
4. Step 4: Simplify right side
   10,320.76x = 79,832,024.22
5. Step 5: Solve for x
   x = 79,832,024.22/10,320.76
6. Step 6: Final answer
   x = 7,735.09